Refrigeration unit



FIG. 1 is an isometric view, from the top, front and one side, of a refrigeration unit showing my new design, in a position of use with one door of the unit being shown open and the other door being shown closed;

FIG. 2 is a side elevational view thereof, with both doors closed;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The dashed line depictions of FIG. 1 form no part of the claimed design and indicate only an environment of use. 

The ornamental design for a refrigeration unit, as shown and described. 